文明的真正考验不是人口普查，不是城市的规模，也不是庄稼的产量——而是这个国家培养出什么样的人。

"The key is not to eliminate fear, but to control it."

In the realm of mathematics, every problem is an opportunity to discover something new.

The true measure of our industry's success will be how we balance economic growth with environmental stewardship.

Persistence in research often pays off when you least expect it.

The most important thing is to awaken in the child his own will and ability to create.

要想做到公平公正，让人心服口服，就要赏罚分明。没有功劳的，就不能给予奖赏；没有罪过的，也不能任意给予处罚。